Cattle 2010

Mon Oct 22 15:49:53 2018


1 Overview

The raster GIS layer on Cattle (2010) described in this document are part of the Gridded Livestock of the World database (GLW v3.1).

The GLW database was developped to meet three objectives:

  1. Collect, harmonize and disseminate sub-national global data on livestock distribution;
  2. Predict livestock numbers in areas with missing informations on livestock census counts;
  3. Provide an statistically-informed estimate of how livestock may distribute within census unit through downscaling algoritms.

Two main methods have been described in the litterature for distributing census data at the pixel level. The areal-weighted (AW) method simply considers that all pixels of the census area are equally suitable, and assign them an equal weight. It simply corresponds to the density of animals per km2 in the census unit multiplied by the pixel area. The dasymetric method (DA) assigns different weights to different pixels based on high resolution environmental predictor variables and Random Forest models, and the animal census counts are distributed according to these weights.

The AW and DA GLW global distribution data fit different purposes. The DA GLW models provide an estimate of how livestock species may be distributed within census areas. However, spatial predictors (e.g. human population density, vegetation indices, topography, etc.) that are used to derived the downscaling weights may introduce some uncontrolled counfonding effects for users willing to quantify the effect of livestock alongside these spatial predictors on an outcome. Similarly, the DA models may introduce circularity for users willing to use livestock data to study their impact on some these spatial factors, such as land-use, for example. The AW GLW models are free of any influence of spatial predictor variables, but produces more unrealistic distribution patterns, especially in large census areas containing a wide range of different land-use and farming conditions.

This report presents snapshots and links to high resolution maps of the different data layers available with the GLW v3.1 data package for Cattle (2010). Three GIS layers are provided, as geotiff, with an extent of X:-180 to 180 / Y:-90 to 90, a resolution of 0.083333 decimal degrees, and with the projection CRS “+proj=longlat”:

  1. DA GLW model (5_Ct_2010_Da.tif): This layer contains the DA animal numbers per pixel, with weight estimated by the Random Forest model. Note that the totals number of animals per census polygon of the DA and AW GLW models should be identical.
  2. AW GLW model (6_Ct_2010_Aw.tif): This layer contains the AW animal numbers per pixel in polygons where data where available in the subnational census, and AW predictions from the the model in census area where the information was missing.
  3. AW GLW prediction status (7_Ct_2010_Ps.tif): This layer contains a value of 0 in pixels where the AW animal number is from a census, and value of 1 if the value was predicted by the GLW model.

2 Snapshots

Note that the snapshot below were produced in the equal-area pseudocylindrical Eckert IV projection for a proper representation of densities. The standard lat/long visualisation of global raster data tend to visually over-represent animal densities in pixels located in northern latitudes as they cover a much lower surface on earth than those close to the equator. Altough the data files are distributed in lat/long, we recommend the use of an equal-area projection for displaying our livestock density data.

2.1 Dasymetric GLW model (5_Ct_2010_DA.tif)

A high-resolution version can be visualised here.

2.2 Areal-weighted GLW model (6_Ct_2010_Aw.tif)

A high-resolution version can be visualised here.

2.3 Areas predicted in the AW model (7_Ct_2010_Ps.tif)

A high-resolution version can be visualised here.


3 Description of sub-national census data

3.1 Average Spatial Resolution (ASR)

The average spatial resolution (ASR) gives an estimate of the average resolution of each spatial unit used to build the GLW models. It is estimated, for each country as \(\sqrt[root]{Area/N_u}\), where Area is the surface of the country in square km, and \(N_u\) is the number of sub-national units per country.

3.2 Year of the sub-national input data

The following histogram and maps show the year of sub-national census data used for the GLW models.


4 Goodness of fit of polygon-level predictions

The following plot shows the goodness of fit metrics of the predictions summarized by continent and polygon size. Note that these GOF are all established through cross-validation, i.e. by measuring the correlation between observed and predicted animal numbers (log10-transformed) in polygons that were not used to train the Random Forest models (see Nicolas et al. 2015, for details). Note that some values are supported by a very low number of polygons (indicated by the np, which is the mean number of polygons used to estimate the correlation between observed and predicted values at each bootstrap).


5. Citations

The GLW database was originally described by Wint & Robinson (GLW v1, 2007) and used the DA method with weights quantified through stratified multiple regressions. The modelling procedure was automated and standardized for GLW v2 (Robinson et al. 2014) and the methodology used to derived the weights was recently improved by replacing stratified linear regression by Random Forest for producing GLW v3.0 (Nicolas et al. 2016). This dataset is described in full in Gilbert et al. (2018).


6. Country census data references

Table continues below
  Country ASR Year Census FAOSTAT Source
AFG Afghanistan 44.2 2003 3,706,186 5,673,000 Ministry of Agriculture, Irrigation and Livestock of Afghanistan
DZA Algeria 220.1 2002 1,345,593 1,747,700 Direction des Services Vétérinaires - Ministère de l’Agriculture et du Développement rural
AZE Azerbaijan 35.0 2014 2,445,178 2,369,272 The State Statistical Committee of the Republic of Azerbaijan
ALB Albania 28.1 2012 498,018 493,000 Ministry of Agriculture, Food and Consumer Protection, Albania
ARM Armenia 52.0 2015 688,553 570,633 National Statistical Service of the Republic of Armenia
AND Andorra 8.2 2012 1,717 NA Departament d’Estadística, Govern d’Andorra
AGO Angola 264.0 2013 4,790,599 4,487,838 CountrySTAT - Food and agriculture data network
ASM American Samoa 3.8 2003 300 110 National Agricultural Statistics Service - United States Department of Agriculture
ARG Argentina 74.4 2008 42,498,996 48,949,743 Instituto Nacional de Estadística y Censos. Argentina
AUS Australia 114.1 2011 27,691,964 26,733,000 Australian Bureau of Statistics
AUT Austria 29.2 2010 2,023,648 2,026,260 Statistics Austria
BWA Botswana 149.5 2011 1,844,866 2,648,842 Central Statistics Office of Botswana:
BEL Belgium 7.3 2010 1,878,963 2,593,000 Directorate - General Statistics Belgium formerly known as NIS-INS
BGD Bangladesh 17.4 2008 25,664,579 23,051,000 Bangladesh Bureau of Statistics
BLZ Belize 61.0 2011 104,149 92,670 World Organisation for Animal Health - OIE
BOL Bolivia 57.7 2013 8,315,504 8,189,786 Instituto Nacional de Estadística, Bolivia
MMR Myanmar (Burma) 45.9 2011 13,981,114 13,608,909 Livestock Breeding and Veterinary Department (LBVD), Ministry of Livestock Breeding and Fisheries, Yangon, Myanmar
BEN Benin 38.9 2013 2,166,000 2,005,000 CountrySTAT - Food and agriculture data network
BLR Byelarus 41.9 2013 4,190,500 4,151,000 National Statistical Committee of the Republic of Belarus
BRA Brazil 39.4 2014 212,343,932 209,541,109 Istituto Brasileiro de Geografia e Estatistica
BTN Bhutan 13.8 2013 300,780 352,841 Ministry of Agriculture and Forest, Royal Government of Bhutan
BGR Bulgaria 20.7 2010 572,581 563,000 Ministry of Agriculture and Forestry - Agrostatistics Directorate, Bulgaria
BDI Burundi 15.2 2005 364,732 596,412 Direction Provinciale de l’Agriculture et de l’Élevage, Burundi
CAN Canada 42.4 2011 12,771,086 13,013,000 Statistics Canada
KHM Cambodia 31.1 2011 3,339,623 3,484,601 Ministry of Agriculture, Forestry and Fisheries
TCD Chad 225.4 2013 6,879,722 7,419,100 World Organisation for Animal Health - OIE
LKA Sri Lanka 51.6 2014 1,265,037 1,169,670 Livestock Statistical Bulletin DAPH
COG Congo 175.6 1996 72,100 330,000 Centre National de la Statistique et des Études Économiques, Congo
COD Zaire 461.5 2004 669,342 749,779 Centre for Ticks and Tick-Borne Diseases, Malawi
CHN China 63.3 2001 135,686,083 121,300,000 China Agricultural Press
CHL Chile 50.1 2007 3,718,532 3,830,000 Instituto Nacional de Estadísticas, Chile
CYM Cayman Islands 11.2 2009 2,231 2,000 Economics and Statistics Office, Government of the Cayman Islands
CMR Cameroon 283.3 2007 1,253,931 4,069,000 CountrySTAT - Food and agriculture data network
COM Comoros 23.7 2010 64,000 50,000 World Organisation for Animal Health - OIE
COL Colombia 189.2 2014 22,527,783 27,329,065 World Organisation for Animal Health - OIE
MNP Northern Mariana Islands 10.6 2007 11,812 NA National Agricultural Statistics Service - United States Department of Agriculture
CRI Costa Rica 25.5 2014 1,278,817 1,350,000 Instituto Nacional de Estadística y Censos, Costa Rica
CAF Central African Republic 191.6 1990 2,501,269 3,893,000 Environmental Research Group Oxford (ERGO)
CUB Cuba 90.5 2012 2,980,869 3,992,500 Oficina Nacional de Estadísticas, República de Cuba
CPV Cape Verde 15.4 2004 22,306 46,000 Directorate of Livestock, Cape Verde
COK Cook Islands 15.8 2011 240 130 Ministry of Agriculture, Cook Islands Government
CYP Cyprus 41.0 2010 53,413 54,715 Statistical Service of Cyprus
DNK Denmark 21.3 2010 1,571,050 1,571,050 Denmark Statistics
DJI Djibouti 60.3 1998 297,001 297,000 Ministry of Agriculture of Djibouti
DOM Dominican Republic 38.9 1997 2,453,276 2,900,000 Oficina Nacional de Estadística, Republica Dominicana
ECU Ecuador 36.3 2000 4,481,052 5,253,536 Project SICA, Agricultural Information System, Ministry of Agriculture and Livestock, Ecuador
EGY Egypt 191.0 2011 4,779,743 4,728,721 Central Agency for Public Mobilization and Statistics, Egypt
IRL Ireland 4.6 2000 6,848,055 6,606,600 Central Statistical Office Ireland
GNQ Equatorial Guinea 116.6 1985 320 5,200 FAO
EST Estonia 14.5 2001 280,731 234,700 Statistikaamet Statistical Office of Estonia
ERI Eritrea 45.9 2002 1,927,137 2,056,570 Environmental Research Group Oxford (ERGO)
SLV El Salvador 9.0 2007 1,141,323 1,247,422 Ministerio de Economía, El Salvador
ETH Ethiopia 45.0 2002 45,543,318 53,382,194 Central Statistical Authority, Ethiopia
CZE Czech Republic 32.1 2010 1,328,008 1,328,925 Czech Statistical Office
GUF French Guiana 67.0 2010 13,731 15,242 Ministère de l’Agriculture, de l’Agroalimentaire et de la Forét, France
FIN Finland 30.7 2014 912,818 925,808 Natural Resources Insitute, Finland (Luke)
FJI Fiji 35.0 2009 134,412 309,000 Department of Agriculture Economic Planning and Statistic Division, Fiji
FLK Falkland Islands (Islas Malvinas) 63.3 2010 4,738 4,300 Department of Agriculture, Falkland Islands Government
FRA France 13.2 2010 16,882,616 19,545,813 Ministère de l’Agriculture, de l’Agroalimentaire et de la Forét, France
GMB Gambia, The 17.4 2001 323,167 425,000 Agricultural Statistics and Resources Economics Unit (ASRE), Government of the Gambia
GAB Gabon 172.1 1998 18,321 37,000 Environmental Research Group Oxford (ERGO)
GEO Georgia 31.8 2004 1,157,781 1,014,700 National Statistics Office of Georgia
GHA Ghana 46.7 2005 1,858,451 1,454,000 FAO-RIGA
DEU Germany 95.6 2010 12,651,140 12,809,492 Federal Statistical Office of the Federal Republic of Germany
GLP Guadeloupe 18.3 2010 38,305 75,000 Agreste la Statistique Agricole, Le Ministère de l’Agriculture, de l’Alimentation, de la Pêche et de la Ruralité, France
GUM Guam 4.6 2002 58 140 National Agricultural Statistics Service - United States Department of Agriculture
GRC Greece 50.9 2013 614,994 679,000 Hellenic Statistic Autority EL.STAT
GTM Guatemala 18.1 2003 1,627,522 3,356,400 Instituto Nacional de Estadística, Guatemala
GIN Guinea 199.5 2011 5,234,783 4,905,862 Réseau des Systèmes d’Information des Marchés en Afrique de l’Ouest
GZS Gaza Strip 8.5 2004 6,046 NA Palestinian Central Bureau of Statistics. Ramallah, Palestine
HTI Haiti 14.4 2009 1,103,769 1,455,000 Ministère de l’Agriculture des Ressources Naturelles et du Développement Rural, République d’Haïti
HND Honduras 79.4 1993 2,077,460 2,694,881 Secretaría de Planificación, Coordinación y Presupuesto, Honduras
HRV Croatia 10.2 2003 398,037 444,000 Croatian Bureau of Statistics
HUN Hungary 68.2 2013 774,000 700,000 Hungarian Central Statistical Office
ISL Iceland 37.4 2010 73,781 73,781 Statistics Iceland
IDN Indonesia 65.8 2013 12,740,716 13,582,000 Badan Pusat Statistik, Republik Indonesia
IND India 74.0 2012 212,926,047 194,185,000 Department of Animal Husbandry, Dairying & Fisheries - Ministry of Agriculture - Government of India
IRN Iran 241.0 2012 6,075,770 8,500,000 Statistical Centre of Iran
ISR Israel 58.9 2002 177,194 430,000 Central Bureau of Statistics, Agriculture Division
ITA Italy 6.1 2010 5,587,719 6,103,000 Istituto Nazionale di Statistica
CIV Ivory Coast 130.6 2001 1,135,196 1,581,582 Ministère de l’Agriculture et des Ressources Animales, Direction de la Programmation, Côte d’Ivoire
IRQ Iraq 155.9 2010 2,552,113 2,629,000 World Organisation for Animal Health - OIE
JPN Japan 89.2 2013 4,065,420 4,376,000 Ministry of Agriculture, Forestry and Fisheries - Japan
JAM Jamaica 29.2 2009 113,338 170,000 Agricultural Business Information System, Jamaica
JOR Jordan 40.8 2007 88,215 65,390 Department of Statistics, Jordan
KEN Kenya 60.7 2009 17,465,774 17,862,852 Kenya National Bureau of Statistics
KGZ Kyrgyzstan 72.0 2012 1,131,496 1,298,825 National Statistic Committee of Kyrgyzstan
KOR South Korea 78.8 2013 3,342,131 3,351,391 World Organisation for Animal Health - OIE
KWT Kuwait 65.8 2013 27,310 35,705 Central Statistical Bureau, State of Kuwait
KAZ Kazakhstan 426.3 2012 5,690,000 6,095,200 Agency of Statistics of the Republic of Kazakhstan
LAO Laos 40.8 2011 1,583,334 1,474,000 Department of Livestock and Fisheries, Laos
LBN Lebanon 19.8 1997 56,626 68,568 United Nations, Economic and Social Commission for Western Asia, 1999
LVA Latvia 49.8 2010 380,226 378,200 Central Statistical Bureau of Latvia
LTU Lithuania 34.6 2010 780,051 759,400 Lietuvos Statistikas Departamenta
LBR Liberia 78.9 2010 10,660 39,500 Liberia Institute of Statistics & Geo-Information Services
SVK Slovakia 26.1 2011 463,358 471,965 Statistical Office of the Slovak Republic
LIE Liechtenstein 3.8 2009 6,078 5,993 Amt für Statistik Liechtenstein
LSO Lesotho 55.3 2013 540,133 626,343 Bureau of Statistics of Lesotho
LUX Luxembourg 5.1 2012 188,473 198,892 Portail des statistiques du Grand-Duché de Luxembourg (STATEC)
LBY Libya 260.1 2013 154,270 195,000 Ministry of Agriculture, Animal & Marine Wealth,Libya
MDG Madagascar 75.5 2005 9,500,138 9,881,130 Ministère de l’Agriculture, Secrétariat General, Direction de la Prévision et des Etudes Economiques, Madagascar
MTQ Martinique 6.0 2010 18,442 18,477 Agreste la Statistique Agricole, Le Ministère de l’Agriculture, de l’Alimentation, de la Pêche et de la Ruralité, France
MDA Moldova 27.9 2013 191,200 221,622 Statistica Moldovei
MYT Mayotte 19.7 2010 17,150 NA Agreste la Statistique Agricole, Le Ministère de l’Agriculture, de l’Alimentation, de la Pêche et de la Ruralité, France
MNG Mongolia 69.9 2012 2,583,027 2,175,999 National Statistical Office of Mongolia
MWI Malawi 59.2 2007 884,132 1,069,854 Agriculture Statistics Division of the National Statistical Office of Malawi (NSO)
MKD Macedonia 17.7 2006 232,526 259,887 State Statistic Office of the Republic of Macedonia
MLI Mali 158.6 2006 7,431,226 9,163,284 Ministère de l’Agriculture de L’Elevage et del a Pêche - République du Mali
MAR Morocco 104.2 2008 2,651,200 2,895,800 Ministère de l’Agriculture, du Développement Rural et des Pêches Maritimes du Maroc
MUS Mauritius 15.2 2012 5,707 7,491 Ministry of Finance & Economic Development, Mauritius
MRT Mauritania 219.0 2007 795,500 1,723,000 Office of National Statistics, Mauritania
MLT Malta 2.2 2010 15,688 14,954 National Statistics Office of Malta
OMN Oman 196.6 2010 332,780 332,780 Ministry of Agriculture and Fisheries, Sultanate of Oman
MNE Montenegro 25.6 2010 78,633 100,835 Statistical Office of Montenegro (MONSTAT)
MEX Mexico 28.4 2007 23,237,877 32,642,134 Instituto Nacional de Estadística Geografía e Informática, México
MYS Malaysia 154.0 2012 742,558 836,910 Department of Statistics, Malaysia (Jabatan Perangkaan Malaysia)
MOZ Mozambique 74.4 2002 590,363 1,277,044 Direccao Nacional de Pecuaria, Mozambique
NCL New Caledonia 24.2 2012 84,604 90,000 Institut National de la Statistique et des Études Économiques, France
NIU Niue 16.4 2009 7 115 Department of Agriculture, Forestry and Fisheries - Government of Niue
NER Niger 177.0 2005 7,336,087 9,817,340 Ministère des Ressources Animales, Niger
NGA Nigeria 163.0 2011 19,095,227 16,577,962 National Bureau of Statistics, Nigeria
NLD Netherlands 23.0 2010 3,975,194 3,975,190 Central Bureau voor de Statistiek, Netherlands
NOR Norway 27.5 2010 872,707 874,529 Statistics Norway
NPL Nepal 44.4 2011 6,323,417 7,199,260 Central Bureau of Statistics, Nepal
SUR Suriname 121.2 1994 123,630 58,150 Environmental Research Group Oxford, ERGO
NIC Nicaragua 30.0 2011 4,136,422 3,700,000 Instituto Nacional de Estadística y Censos, Nicaragua
NZL New Zealand 63.7 2012 10,162,494 9,863,972 Statistics New Zealand
PRY Paraguay 42.8 2008 10,466,641 12,305,442 Ministerio de Agricultura y Ganadería, Paraguay
PER Peru 27.0 2012 5,156,044 5,520,200 Instituto Nacional de Estadística e Informática, Perú
PAK Pakistan 83.9 2010 24,114,455 34,285,000 Agricultural Census Organization, Ministry of Food & Agriculture, Pakistan
POL Poland 29.0 2010 5,755,071 5,723,938 Central Statistical Office of Poland
PAN Panama 11.1 2011 1,728,208 1,640,900 Instituto Nacional de Estadística y Censo, Panamá
PRT Portugal 17.9 2009 1,173,975 1,447,000 Instituto Nacional de Estatística - Statistics Portugal
PNG Papua New Guinea 156.5 1989 62,888 94,000 National Statistical Office, Papua New Guinea
GNB Guinea-Bissau 65.3 2011 1,506,911 641,500 CountrySTAT - Food and agriculture data network
QAT Qatar 35.6 2013 14,590 11,422 World Organisation for Animal Health - OIE
REU Reunion 10.3 2010 27,560 27,662 Agreste la Statistique Agricole, Le Ministère de l’Agriculture, de l’Alimentation, de la Pêche et de la Ruralité, France
ROU Romania 76.2 2014 2,068,888 2,512,300 National Institute of Statistics, Romania
PHL Philippines 13.8 2010 2,599,466 2,570,900 Bureau of Agricultural Statistics (BAS)
PRI Puerto Rico 10.8 2012 257,248 380,000 National Agricultural Statistics Service - United States Department of Agriculture
RUS Russia 428.4 2012 21,446,360 20,671,328 Russian Federation - Federal State Statistical Service
RWA Rwanda 28.5 2012 1,123,553 1,334,820 World Organisation for Animal Health - OIE
SAU Saudi Arabia 385.8 2012 486,503 404,000 Central Department of Statistics and Information of Kingdom of Saudi Arabia
SYC Seychelles 2.7 2011 506 340 National Bureau of Statistics, Republic of Seychelles
ZAF South Africa 368.9 2013 13,919,931 13,731,044 World Organisation for Animal Health - OIE
SEN Senegal 77.4 2009 3,260,855 3,313,055 Agence Nationale de la Statistique et de la Démographie du Sénégal
SHN St. Helena 11.3 2009 598 700 Agriculture and Natural Resources Department of St. Helena
SVN Slovenia 11.8 2010 471,584 472,878 Statistical Office of the Slovak Republic
SLE Sierra Leone 74.8 2004 98,632 517,000 Ministry of Agriculture & Food Security of Sierra Leone
SOM Somalia 357.0 1999 4,409,430 4,800,000 Food Security Assessment Unit (FSAU) in 1999
ESP Spain 8.0 2009 5,840,716 6,075,100 Instituto Nacional de Estadística, Spain
SER Serbia 22.2 2012 903,713 938,038 Statistical Office of Serbia
LCA St. Lucia 7.9 2007 5,345 11,000 Ministry of Agriculture, Forestry and Fisheries, Saint Lucia
SDN Sudan 309.0 2009 31,425,786 41,761,000 Ministry of Animal Resources and Fisheries, Sudan
SWE Sweden 40.1 2010 1,536,245 1,536,700 Statistics Sweden
SYR Syria 116.1 2012 1,066,654 1,010,000 National Agricultural Policy Center of the Ministry of Agriculture and Agrarian Reform, Syrian Arab Republic
CHE Switzerland 39.8 2009 1,597,484 1,591,233 Swiss Federal Statistical Office
ARE United Arab Emirates 101.1 2012 44,320 100,860 National Bureau of Statistics, United Arab Emirates
THA Thailand 82.6 2014 4,312,408 6,497,996 World Organisation for Animal Health - OIE
TJK Tajikistan 49.8 2011 2,006,485 1,829,997 Agency for Statistics, Tajikisthan Republik
TON Tonga 11.6 2015 18,762 11,300 Ministry of Agriculture, Food, Forests and Fisheries, Tonga
TGO Togo 107.1 2009 307,500 309,411 World Organisation for Animal Health - OIE
TUN Tunisia 80.5 2012 654,260 670,900 Observatoire National de l’Agriculture, Ministère de l’Agriculture de l’Environnement et des Ressources Hydrauliques, Tunisia
TUR Turkey 29.3 2015 13,953,205 10,723,958 Turkish Statistical Institute
TKM Turkmenistan 307.5 2012 2,216,500 2,200,000 State Committee of Statistics of Turkmenistan
TZA Tanzania, United Republic of 74.7 2012 23,967,902 19,245,648 National Bureau of Statistics, Tanzania
UGA Uganda 6.5 2008 14,012,142 12,103,532 Uganda Bureau of Statistics
GBR United Kingdom 47.5 2010 10,060,590 10,112,000 Department for Environment Food & Rural Affairs, U.K.
UKR Ukraine 154.9 2013 4,531,900 4,826,700 State Statistics Service of Ukraine
USA United States 55.1 2012 89,826,106 93,881,200 National Agricultural Statistics Service - United States Department of Agriculture
BFA Burkina Faso 78.2 2009 9,090,997 8,398,499 Ministère de l’Economie et de Développement, Direction General des Prévisions et des Statistiques Agricoles
URY Uruguay 97.0 2014 11,842,695 11,800,000 World Organisation for Animal Health - OIE
UZB Uzbekistan 179.3 2007 7,457,900 8,510,800 State Statistics Committee of the Republic of Uzbekistan
VCT St. Vincent and the Grenadines 8.7 2000 4,767 5,200 Ministry of Agriculture and Labour, Government of Saint Vincent and the Grenadines
VEN Venezuela 57.4 2007 13,302,976 14,134,039 Ministerio del Poder Popular para la Agricultura y Tierras - Venezuela
VNM Vietnam 5.6 2001 3,710,385 5,808,300 General Statistics Office of Vietnam
NAM Namibia 252.4 2013 2,671,062 2,400,000 World Organisation for Animal Health - OIE
WST West Bank 23.0 2004 26,349 NA Palestinian Central Bureau of Statistics. Ramallah, Palestine
ESH Western Sahara 367.3 2009 1,300 NA Direction de la Statistique du Maroc
WSM Western Samoa 53.8 2009 500,071 30,000 Samoa Bureau of Statistics
SWZ Swaziland 65.9 2013 627,486 620,000 World Organisation for Animal Health - OIE
YEM Yemen 154.9 2013 1,721,906 1,605,000 Ministry of Agriculture and Irrigation, Republic of Yemen
ZMB Zambia 289.8 2009 3,445,630 3,100,000 Department of Research and Specialist Services, Zambia
ZWE Zimbabwe 82.0 2008 5,106,673 5,040,000 Department of Livestock and Veterinary Services
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